CN117388169A - Metal pipe end surface quality detection device - Google Patents
Metal pipe end surface quality detection device Download PDFInfo
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- CN117388169A CN117388169A CN202311207550.6A CN202311207550A CN117388169A CN 117388169 A CN117388169 A CN 117388169A CN 202311207550 A CN202311207550 A CN 202311207550A CN 117388169 A CN117388169 A CN 117388169A
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- 239000002184 metal Substances 0.000 title claims abstract description 160
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- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
- B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/13—Moving of cuvettes or solid samples to or from the investigating station
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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Abstract
The utility model relates to the technical field of metal tube detection, and discloses a metal tube end surface quality detection device which mainly comprises a metal tube transmission mechanism, a visual detection system, a stopping device and a metal tube auxiliary reciprocating pushing device, wherein the metal tube transmission mechanism is used for conveying metal tubes, the visual detection system is used for collecting and identifying end images of the metal tubes to be detected, the stopping device is used for stopping the metal tubes on the metal tube transmission mechanism, and the metal tube auxiliary reciprocating pushing device is used for pushing a plurality of stopped metal tubes to move together in a direction opposite to a conveying direction, so that the interval between the metal tubes is increased by inertia. The utility model can separate the mutually-adhered metal pipes on the metal pipe transmission mechanism by utilizing the stopping device and the metal pipe auxiliary reciprocating pushing device, thereby reaching the specified quality detection and quantity requirements under the specified conditions and in the time, and having better detection efficiency and detection accuracy.
Description
Technical Field
The utility model relates to the technical field of metal pipe detection, in particular to a metal pipe end surface quality detection device.
Background
The metal pipe is used as a key accessory for conveying fluid substances in downstream industries, and the market demand of the metal pipe is mainly influenced by the investment of fixed assets of the downstream industries. The method is limited by various conditions such as qualification certification, production capacity, technical reserve, sales channels and the like, and the centralized dominant resources of enterprises in the industry develop high added value and high barrier industries such as chemical industry, nuclear power, thermal power, military industry and the like, so that specialized roads are walked. Through many years of development, metal pipe production enterprises have formed a relatively stable competition pattern in the downstream professional field.
Since the metal stainless steel tube industry developed in China for decades, the reliability of processing technology and equipment of the metal stainless steel tube industry has been developed greatly, the quality and specification of produced products have been standardized, but the subsequent processing technology of the stainless steel tube has obvious phenomenon of insufficient afterforce, in order to increase daily output, enterprises generally adopt the modes of increasing the number of single-process processing equipment, increasing the number of workers, increasing labor time and the like to achieve market demand, and the investigation shows more prominence especially on the port processing and quality detection procedures of the stainless steel tube, wherein the quality detection process links of the end surface are mainly characterized in that the quality detection process links of the end surface are detected by adopting single equipment by manual naked eyes, so that the production cost is high, the production efficiency is low, and the product percent of pass is low.
The Chinese patent publication No. CN201593975U discloses a measuring system for the structure of the end of a steel pipe, which comprises a system electrical appliance control cabinet, a CCD camera system, a positioning mechanism and an image processing display mechanism which are electrically connected with each other; after a measurement instruction enters the measurement instruction through the man-machine interaction interface of the industrial personal computer, the industrial personal computer transmits signals to the system electrical control cabinet, the PLC in the system electrical control cabinet transmits the signals to the LED light source, and meanwhile, the PLC signal control connecting rod of the system electrical control cabinet drives the camera to feed forward, and the camera shoots and transmits the signals to the industrial personal computer through the USB line. The utility model utilizes the camera and the industrial personal computer to form a vision system to automatically capture the end face image of the steel pipe, and the industrial personal computer is used for carrying out image processing, thereby improving the measurement accuracy, eliminating the human error and improving the measurement speed. However, the problem of contact adhesion and mutual influence between pipes in the metal steel pipe conveying process is not involved, and the detection precision and the detection speed still need to be improved.
Disclosure of Invention
The utility model provides a metal pipe end surface quality detection device with higher detection precision and detection efficiency, which at least provides a beneficial selection or creation condition for solving one or more technical problems existing in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model provides a metal pipe end surface quality detection device for detect the tip surface condition after metal tubular product cuts according to the size specification, it mainly includes metal pipe transport mechanism, vision detecting system, stop device and metal pipe auxiliary reciprocating pushing device, metal pipe transport mechanism is used for carrying the metal pipe, vision detecting system is used for gathering, discernment wait to detect the tip image of metal pipe, stop device is used for with the metal pipe is stopped on the metal pipe transport mechanism, metal pipe auxiliary reciprocating pushing device is used for promoting a plurality of metal pipes that are stopped together towards the direction opposite to the direction of conveying, and then utilizes inertia to make the interval between the metal pipe increase.
More preferably, the metal tube transmission mechanism comprises a variable frequency motor, a transmission shaft, a transmission belt and a synchronous wheel, wherein the transmission belt is connected between the transmission shaft and the synchronous wheel and used for transmitting a metal tube to be detected, and the variable frequency motor is connected with the transmission shaft and used for providing transmission power.
More preferably, the variable frequency motor is a variable frequency asynchronous motor, the conveyor belt is two conveyor belts arranged in parallel, and the metal pipe spans between the two conveyor belts to be conveyed therewith.
More preferably, the stopping device and the metal tube auxiliary reciprocating pushing device are arranged corresponding to the metal tube conveying mechanism, and the metal tube auxiliary reciprocating pushing device comprises an electromagnetic push rod for stopping the metal tube and a pushing device for assisting the metal tube to reciprocate.
The electromagnetic push rod is arranged on the upper side or the lower side of the metal pipe; when the electromagnetic push rod stretches out, the metal tube is stopped, and when the electromagnetic push rod retracts, the metal tube is conveyed on the metal tube conveying mechanism.
The pushing device is arranged on the upper side of the metal pipe and is used for pushing the metal pipe to move in the direction opposite to the conveying direction by pushing down; when a plurality of metal pipes are abutted against each other, the pushing device pushes the plurality of metal pipes together to move in a direction opposite to the conveying direction.
More preferably, the pushing device comprises a mounting frame, a pressing plate, a pressing power mechanism, a sliding rail, a sliding block and a pushing power mechanism, the sliding rail is arranged on the mounting frame, the sliding block is slidably mounted on the sliding rail, the pressing power mechanism is mounted on the sliding block, the pressing plate is connected with the pressing power mechanism and is driven by the pressing power mechanism to lift, and the pushing power mechanism is used for driving the sliding block to move back and forth on the sliding rail.
When the metal tube separating device works, the pressing power mechanism drives the pressing plates to press down on the upper sides of the metal tubes, and after pressing, the pushing power mechanism drives the sliding blocks, the pressing power mechanism and the pressing plates to move together in the direction opposite to the conveying direction, and then the pressing plates are lifted up, so that the metal tubes are separated by inertia.
More preferably, the lower pressure plate is a rubber plate, the lower pressure power mechanism is an air cylinder, and the lower pressure plate is directly installed on an air cylinder shaft of the air cylinder.
More preferably, the pushing power mechanism is composed of a ball screw and a stepping motor, the ball screw is in threaded connection with the sliding block, and the stepping motor is used for driving the ball screw to rotate.
More preferably, the vision detection system comprises a light shield, a light source and a collecting camera, wherein the light source and the collecting camera are arranged corresponding to the end part of the metal tube, and the light shield is arranged outside the light source and the collecting camera.
More preferably, the collecting camera is a position-adjustable mounting structure and comprises an adjusting shaft and a shaft fixing block, the collecting camera is mounted on the adjusting shaft, and the adjusting shaft penetrates through a locking hole of the shaft fixing block and is locked by a locking piece.
More preferably, the light source is a position-adjustable mounting structure and comprises an adjusting base, a chute is arranged on the adjusting base, and the light source is slidably mounted on the chute.
More preferably, the visual detection system works according to the following principle: 1) Collecting a defect image of the end part of the metal tube, and performing labeling classification on the defect image by using LABELIMG software; collecting a metal pipe end defect-free image, and forming a sample set with the classified defect image; 2) Training and learning the sample set by using the YOLOV5 network model to obtain a trained YOLOV5 network model; 3) Collecting an end image of a metal pipe to be detected; 4) Carrying out noise reduction and filtering pretreatment on the acquired end image of the metal tube to be detected; 5) And identifying the image subjected to noise reduction and filtering pretreatment by using the trained YOLOV5 network model to obtain an identification result.
The technical scheme provided by the utility model has at least the following technical effects or advantages.
1. According to the metal tube end surface quality detection device, the metal tube transmission mechanism, the visual detection system, the stopping device and the metal tube auxiliary reciprocating pushing device are organically combined together, the intelligent degree and the automation degree are high, the structural design is simple and reasonable, the stability is good, and the actual production requirements of customers can be met; the metal pipes which are mutually stuck on the metal pipe transmission mechanism can be separated by utilizing the stopping device and the metal pipe auxiliary reciprocating pushing device, so that the specified quality detection and quantity requirements can be met under specified conditions and in time, and the detection efficiency and the detection accuracy are better.
2. The reliable electromagnetic push rod positioning mechanism and the metal tube auxiliary reciprocating pushing device controlled by the stepping drive are adopted, so that the product failure rate is low, the service life is long, the accurate positioning of the product and the stability of equipment operation are ensured, the processing precision is high, and the stability is good; meanwhile, on the premise of ensuring the reliability and stability of the whole equipment, the safety production and equipment maintenance are paid attention to; the method can provide reference value for the application of the same type industry and the metal pipe industry, and can be widely popularized and applied to the industries of military industry, university laboratories, automobile part industry, civil stainless steel, refrigeration and heating industry, civil hardware, bathroom and the like.
3. The utility model integrates a visual detection system, has high detection efficiency, can finish the quantity of products of more than 60-100 products per minute, and can realize the automatic detection of surface quality defects such as broken edges, scratches, residual edges, burrs, grooves and the like at the end parts of the metal pipe in the process of conveying the metal pipe.
Drawings
Fig. 1 is a schematic structural diagram of a metal tube end surface quality detection device provided by the utility model.
Fig. 2 is a schematic structural view of a metal tube conveying mechanism.
Fig. 3 is a schematic structural view of the electromagnetic push rod.
Fig. 4 shows a schematic structural view of the pushing device.
Fig. 5 is a schematic view showing a mounting structure of the light source.
Fig. 6 is a schematic diagram of a mounting structure of the acquisition camera.
Fig. 7 is a schematic diagram illustrating the operation of the visual inspection system.
Reference numerals illustrate.
1: metal tube transmission mechanism, 2: visual inspection system, 3: shut-off device, 4: metal tube auxiliary reciprocating pushing device, 5: mechanical main body support frame, 6: a metal tube.
1-1: variable frequency motor, 1-2: transmission shaft, 1-3: conveyor belt, 1-4: and synchronizing the wheels.
2-1: light shield, 2-2: light source, 2-3: collecting cameras, 2-4: adjusting a base, and 2-5: chute, 2-6: adjusting shaft, 2-7: shaft fixing block, 2-8: a locking piece.
3-1: electromagnetic push rod, 3-2: and a cross beam.
4-1: mounting bracket, 4-2: lower plate, 4-3: and a pushing power mechanism, 4-4: slide rail, 4-5: slider, 4-6: pushing the power mechanism.
4-6-1: ball screw, 4-6-2: a stepper motor.
Detailed Description
The following description of the specific embodiments of the present utility model is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present utility model are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.
Referring to fig. 1, a metal pipe end surface quality detection device is used for detecting the situation of burrs and the like existing on the surface of the end of a metal pipe after being cut according to the size specification, and mainly comprises a metal pipe transmission mechanism 1, a visual detection system 2, a cutting device, a metal pipe auxiliary reciprocating pushing device 4, a mechanical main body supporting frame 5 and the like.
Referring to fig. 2, the metal tube transmission mechanism 1 comprises a variable frequency motor 1-1, a transmission shaft 1-2, a transmission belt 1-3 and a synchronous wheel 1-4, wherein the transmission belt 1-3 is connected between the transmission shaft 1-2 and the synchronous wheel 1-4 and is used for transmitting a cut metal tube 6, and the variable frequency motor 1-1 is connected with the transmission shaft 1-2 and is used for providing transmission power.
In this embodiment, the variable frequency motor 1-1 is preferably a variable frequency asynchronous motor, the conveyor belt 1-3 is preferably two parallel conveyor belts, and the metal tube 6 spans between the two conveyor belts to be conveyed therewith. Obviously, according to different actual needs, the variable frequency asynchronous motor can be replaced by other power mechanisms by a person skilled in the art, so long as the variable frequency asynchronous motor can play a role in providing conveying power. The person skilled in the art can choose the driving belt with other structure forms known in the prior art or realized in the future according to different actual needs, as long as the driving belt can convey the metal tube 6 to be detected and detected; the present embodiment is not limited.
As shown in fig. 3 and 4, the stopping device 3 and the metal tube auxiliary reciprocating pushing device 4 are arranged corresponding to the metal tube conveying mechanism 1, and include an electromagnetic push rod 3-1 for stopping the metal tube 6 and a pushing device for assisting the metal tube to reciprocate. In this embodiment, the electromagnetic push rod 3-1 is disposed between two conveyor belts, and the metal tube auxiliary reciprocating pushing device 4 is disposed on the upper side of the metal tube 6 so as to push the metal tube downwards. The electromagnetic push rod 3-1 can be arranged on the upper side or the lower side of the metal tube 6 according to different actual requirements; when the electromagnetic push rod 3-1 is extended, the metal tube 6 is stopped, and when the electromagnetic push rod 3-1 is retracted, the metal tube 5 is conveyed along with the transmission belt.
After the metal tubes 6 are stopped by the electromagnetic push rod 3-1, if a plurality of metal tubes are mutually abutted, when the detection effect is affected, the stopped metal tubes 6 can be pushed by the pushing device to move together in the direction opposite to the conveying direction of the conveying belt, and the interval between the metal tubes 6 is increased by utilizing inertia, so that the visual detection system 2 can conveniently collect the end surface quality information of the metal tubes.
Before the electromagnetic push rod 3-1 retracts, the plurality of cut metal pipes 6 can be pushed to move together in the direction opposite to the conveying direction of the conveying belt by the pushing device, and the interval between the metal pipes 6 is increased by inertia, so that the electromagnetic push rod 3-1 is convenient for cutting off the next metal pipe to be detected.
Here, adopt electromagnetic push rod as stopping mechanism, guarantee the stability of accurate location and equipment operation of product, the fault rate is low, long service life. It is obvious to those skilled in the art that other types of stopping mechanisms can be used instead of the electromagnetic push rod according to actual needs, and the utility model is not limited to this embodiment.
And in combination with the illustration of fig. 3, the electromagnetic push rods 3-1 are arranged on a cross beam 3-2 in pairs, and the two electromagnetic push rods 3-1 are connected with the metal tube transmission mechanism 1 through the cross beam 3-2. When the electromagnetic push rod device works, the two electromagnetic push rods 3-1 synchronously lift, so that a better stopping effect is achieved. It is obvious that the number of electromagnetic push rods can be changed appropriately by those skilled in the art according to actual needs, and is not limited to the present embodiment.
And in combination with the illustration of fig. 4, the pushing device comprises a mounting frame 4-1, a pressing plate 4-2, a pressing power mechanism 4-3, a sliding rail 4-4, a sliding block 4-5 and a pushing power mechanism 4-6, wherein the mounting frame 4-1 is fixedly connected with a main body supporting frame 5 of the machine, the sliding rail 4-4 is arranged on the mounting frame 4-1, the sliding block 4-5 is slidably mounted with the sliding rail 4-4, the pressing power mechanism 4-3 is mounted on the sliding block 4-4, the pressing plate 4-2 is connected with the pressing power mechanism 4-3 and is driven by the pressing power mechanism 4-3 to lift, and the pushing power mechanism 4-6 is used for driving the sliding block 4-5 to move back and forth on the sliding rail 4-4.
In operation, the pressing power mechanism 4-3 drives the pressing plate 4-2 to press down on the upper side of the cut metal tube 6, after pressing, the power mechanism 4-6 is pushed to drive the sliding block 4-5, the pressing power mechanism 4-3 and the pressing plate 4-2 to move together in the direction opposite to the conveying direction of the conveying belt, and then the pressing plate 4-2 is lifted up, so that the metal tubes are separated by inertia.
In this embodiment, the lower pressure plate 4-2 is preferably a rubber plate so as to be in better contact with the metal tube 6, pushing the metal tube 6. Preferably, the pressing power mechanism 4-3 is an air cylinder, and the pressing plate 4-2 is directly arranged on an air cylinder shaft of the air cylinder and driven by the air cylinder to lift. Preferably, the pushing power mechanism 4-6 is composed of a ball screw 4-6-1 and a stepping motor 4-6-2, the ball screw 4-6-1 is in threaded connection with the sliding block 4-5, and the stepping motor 4-6-2 is used for driving the ball screw 4-6-1 to rotate.
Obviously, according to different actual needs, a person skilled in the art can use plates made of other materials to manufacture the lower pressing plate, and the pressing power mechanism 4-3 can be replaced by other power mechanisms such as a linear motor which are known in the prior art or can be realized in the future, so long as the pressing power mechanism can play a role in driving the lower pressing plate 4-2 to lift; the pushing power mechanism 4-6 can be replaced by other power mechanisms such as an air cylinder which are known in the prior art or can be realized in the future, so long as the pushing power mechanism can drive the sliding block 4-5 to move back and forth along the sliding rail 4-4; the present embodiment is not limited.
Referring to fig. 5 and 6, the visual inspection system 2 includes a light shield 2-1, a light source 2-2 and an acquisition camera 2-3, where the light source 2-2 and the acquisition camera 2-3 are disposed at ends of a metal tube 6, and in this embodiment, two ends of the metal tube 6 are respectively provided with the corresponding light source 2-2 and the acquisition camera 2-3, and the light shield 2-1 is covered outside the light source 2-2 and the acquisition camera 2-3 to reduce the influence of an external light source on the quality of an acquired image.
In this embodiment, the light source 2-2 is preferably a strip light source, and the strip light source is preferably movably mounted on an adjusting base 2-4, so as to properly adjust the position of the light source 2-2 according to actual needs. Specifically, a chute 2-5 is arranged on the adjusting base 2-4, and the light source 2-2 is slidably mounted on the chute 2-5. Obviously, the light source 2-2 is not limited to a strip light source, but can also be a ring light source, and the like, as long as the purpose of illuminating the end part of the metal tube and assisting the acquisition camera in image acquisition can be achieved, the position-adjustable mounting structure of the light source 2-2 is not limited to the form of the adjusting base and the sliding groove illustrated above, and any other form of light source position-adjustable mounting structure known in the prior art or capable of being realized in the future is the protection scope of the utility model.
In this embodiment, it is preferable that the collecting camera 2-3 is a position-adjustable mounting structure, and includes an adjusting shaft 2-6 and a shaft fixing block 2-7, the collecting camera 2-3 is mounted on the adjusting shaft 2-6, and the adjusting shaft 2-6 is threaded through a locking hole of the shaft fixing block 2-7 and is locked by a locking member 2-8; the locking piece 2-8 is preferably a bolt, the adjusting shaft 2-6 can be moved by loosening the bolt, the installation position of the acquisition camera 2-3 can be adjusted, the bolt can be locked after the acquisition camera 2-3 is adjusted in place, and the adjustment is convenient and quick.
Obviously, the position-adjustable installation structure of the acquisition camera 2-3 is not limited to the specific structure exemplified above, and a person skilled in the art can adopt other structure forms of position-adjustable installation structures according to different actual needs, so long as the purpose of position adjustment of the acquisition camera 2-3 can be achieved.
Referring to fig. 7, the working principle of the visual detection system of the device for detecting the surface quality of the end part of the metal tube provided by the embodiment is as follows: 1) Collecting a defect image of the end part of the metal tube, and performing labeling classification on the defect image by using LABELIMG software; collecting a defect-free product image; 2) Training and learning the sample set by using the YOLOV5 network model to obtain a trained YOLOV5 network model; 3) Collecting an end image of a metal pipe to be detected; 4) Noise reduction and filtering pretreatment are carried out on the collected end image of the metal tube to be detected; 5) And identifying the image subjected to noise reduction and filtering pretreatment by using the trained YOLOV5 network model to obtain an identification result.
The device for detecting the surface quality of the end part of the metal pipe can be used for realizing automatic detection of surface quality defects such as scratch and residual edges, burrs, grooves and the like of the section of the metal pipe based on a machine vision detection technology of deep learning, and has higher detection precision and lower detection cost.
It should be further noted that, in the description of the present utility model, terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. refer to the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the utility model, "at least" means one or more, unless clearly specifically defined otherwise.
In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present utility model is not limited to the specific embodiments described above, but is intended to cover modifications and alternatives falling within the spirit and scope of the utility model as defined by the appended claims and their equivalents. The portions of the detailed description that are not presented are all prior art or common general knowledge.
Claims (10)
1. The utility model provides a metal pipe end surface quality detection device for detect the tip surface condition after metal tubular product cuts according to the size specification, its characterized in that mainly includes metal pipe transport mechanism, vision detecting system, stop device and metal pipe auxiliary reciprocating pushing device, metal pipe transport mechanism is used for carrying the metal pipe, vision detecting system is used for gathering, discernment the tip image of metal pipe, stop device is used for with the metal pipe is stopped on the metal pipe transport mechanism, metal pipe auxiliary reciprocating pushing device is used for promoting a plurality of metal pipes that are stopped together towards the opposite direction of conveying, and then utilizes inertia to make the interval between the metal pipe increase.
2. The metal pipe end surface quality detection device according to claim 1, wherein the metal pipe transmission mechanism comprises a variable frequency motor, a transmission shaft, a conveyor belt and a synchronous wheel, the conveyor belt is connected between the transmission shaft and the synchronous wheel and used for conveying a metal pipe to be detected, and the variable frequency motor is connected with the transmission shaft and used for providing transmission power.
3. The device for detecting the surface quality of the end of the metal pipe according to claim 2, wherein the variable frequency motor is a variable frequency asynchronous motor, the conveyor belt is two conveyor belts which are arranged in parallel, and the metal pipe spans between the two conveyor belts to be conveyed therewith.
4. The apparatus according to claim 1, wherein the stopping means and the metal pipe auxiliary reciprocating pushing means are provided corresponding to the metal pipe conveying mechanism, and include electromagnetic push rods for stopping the metal pipe and pushing means for assisting the metal pipe to reciprocate;
the electromagnetic push rod is arranged on the upper side or the lower side of the metal pipe; when the electromagnetic push rod stretches out, the metal tube is stopped, and when the electromagnetic push rod retracts, the metal tube is conveyed on the metal tube conveying mechanism;
the pushing device is arranged on the upper side of the metal pipe and is used for pushing down and pushing the metal pipe to move in the direction opposite to the conveying direction; when a plurality of metal pipes are abutted against each other, the pushing device pushes the plurality of metal pipes together to move in a direction opposite to the conveying direction.
5. The device for detecting the surface quality of the end part of the metal pipe according to claim 4, wherein the pushing device comprises a mounting frame, a lower pressing plate, a pushing power mechanism, a sliding rail, a sliding block and a pushing power mechanism, the sliding rail is arranged on the mounting frame, the sliding block is slidably mounted with the sliding rail, the pushing power mechanism is mounted on the sliding block, the lower pressing plate is connected with the pushing power mechanism and is driven by the pushing power mechanism to lift, and the pushing power mechanism is used for driving the sliding block to move back and forth on the sliding rail;
when the metal tube separating device works, the pressing power mechanism drives the pressing plates to press down on the upper sides of the metal tubes, and after pressing, the pushing power mechanism drives the sliding blocks, the pressing power mechanism and the pressing plates to move together in the direction opposite to the conveying direction, and then the pressing plates are lifted up, so that the metal tubes are separated by inertia.
6. The device for detecting the surface quality of the end of the metal pipe according to claim 5, wherein the lower pressing plate is a rubber plate, the pressing power mechanism is a cylinder, and the lower pressing plate is directly installed on a cylinder shaft of the cylinder.
7. The device for detecting the surface quality of the end of the metal pipe according to claim 5, wherein the pushing power mechanism comprises a ball screw and a stepping motor, the ball screw is in threaded connection with the sliding block, and the stepping motor is used for driving the ball screw to rotate.
8. The device for detecting the surface quality of the end of the metal pipe according to claim 1, wherein the visual detection system comprises a light shield, a light source and a collecting camera, the light source and the collecting camera are arranged corresponding to the end of the metal pipe, and the light shield is arranged outside the light source and the collecting camera.
9. The device for detecting the surface quality of the end part of the metal pipe according to claim 8, wherein the collecting camera is of a position-adjustable mounting structure and comprises an adjusting shaft and a shaft fixing block, the collecting camera is mounted on the adjusting shaft, and the adjusting shaft is arranged on a locking hole of the shaft fixing block in a penetrating manner and is locked by a locking piece;
the light source is a position-adjustable mounting structure and comprises an adjusting base, a sliding groove is formed in the adjusting base, and the light source is slidably mounted on the sliding groove.
10. The metal pipe end surface quality detection device according to claim 1, wherein the visual detection system works according to the following principle: 1) Collecting a defect image of the end part of the metal tube, and performing labeling classification on the defect image by using LABELIMG software; collecting a metal pipe end defect-free image, and forming a sample set with the classified defect image; 2) Training and learning the sample set by using the YOLOV5 network model to obtain a trained YOLOV5 network model; 3) Collecting an end image of a metal pipe to be detected; 4) Carrying out noise reduction and filtering pretreatment on the acquired end image of the metal tube to be detected; 5) And identifying the image subjected to noise reduction and filtering pretreatment by using the trained YOLOV5 network model to obtain an identification result.
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